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320457 — 320457

✓ Government record, cited
MEASUREMENT SYSTEMS INC · BOLT SCREW
PRODUCT OVERVIEW

320457: 320457.

The 320457 is a MEASUREMENT SYSTEMS INC industrial component. This part is cataloged in the U.S. Government catalog under NSN 5305-01-455-0191, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
320457
NSN: 5305-01-455-0191
FSC: 5305 — Screws
CAGE: 22978 — MEASUREMENT SYSTEMS INC (USA)
SPECIFICATIONS
Part Number320457
ManufacturerMEASUREMENT SYSTEMS INC
NSN5305-01-455-0191
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 320457 · MEASUREMENT SYSTEMS INC ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
THREAD LENGTH: 0.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.250 INCHES NOMINAL IN
THREAD LENGTH0.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL CORROSION RESISTING
THREAD CLASS2A A
END ITEM IDENTIFICATIONLIGHT ARMORED VEHICLE, TURRET MODEL AN/MWQ-503
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SUBSTITUTES & CROSS-REFERENCES 1
ER-588-97Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 320457?
320457 is a 320457 manufactured by MEASUREMENT SYSTEMS INC.
What parts can replace 320457?
There is 1 known substitute for 320457: ER-588-97. Substitute compatibility should be verified for your specific system.
What is the NSN for 320457?
320457 is cataloged in the U.S. Government catalog under NSN 5305-01-455-0191. This indicates validated use in U.S. government and defense supply chains.
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